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<title>CMSIS-FreeRTOS: Create a FreeRTOS project</title>
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   <div id="projectname">CMSIS-FreeRTOS
   &#160;<span id="projectnumber">Version 9.0.0</span>
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   <div id="projectbrief">CMSIS-RTOS2 compliant FreeRTOS Implementation</div>
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<div class="title">Create a FreeRTOS project </div>  </div>
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<div class="textblock"><p>You can basically choose between two option when creating a FreeRTOS project:</p>
<ol type="1">
<li><a class="el" href="cre_freertos_proj.html#native_freertos">Create a native FreeRTOS project</a> using the FreeRTOS API and kernel.</li>
<li><a class="el" href="cre_freertos_proj.html#cmsis_freertos">Create a CMSIS-FreeRTOS project</a> using the CMSIS-RTOS2 API with an underlying FreeRTOS kernel.</li>
</ol>
<h1><a class="anchor" id="native_freertos"></a>
Create a native FreeRTOS project</h1>
<p>The steps to create a microcontroller application using FreeRTOS are:</p>
<ul>
<li>Create a new project and select a microcontroller device.</li>
<li><p class="startli">In the Manage Run-Time Environment window, select <b>::Device:Startup</b>, <b>::RTOS:CORE</b> and <b>::RTOS:Config</b> in the <b>FreeRTOS</b> variant and an applicable <b>::RTOS:Heap</b> scheme (for more information on the heap schemes, visit the FreeRTOS documentation):</p>
<div class="image">
<img src="manage_rte_freertos_native.png" alt="manage_rte_freertos_native.png"/>
</div>
<p class="startli"><br/>
</p>
</li>
<li>If the <b>Validation Output</b> requires other components to be present, try to use the <b>Resolve</b> button.</li>
<li><p class="startli">Click <b>OK</b>. In the <b>Project</b> window, you will see the files that have been automatically added to you project, such as <b>FreeRTOSConfig.h</b>, the source code files, as well as the system and startup files:</p>
<div class="image">
<img src="project_window_freertos_native.png" alt="project_window_freertos_native.png"/>
</div>
</li>
</ul>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000001">Todo:</a></b></dt><dd>Do we add user code templates for the native FreeRTOS implementation?</dd></dl>
<ul>
<li>You can add template files to the project by right-clicking on <b>Source Group 1</b> and selecting <b>Add New Item to 'Source Group 1'</b>. In the new window, click on <b>User Code Template</b>. On the right-hand side you will see all available template files for CMSIS-RTOS RTX:</li>
</ul>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000002">Todo:</a></b></dt><dd>Do we offer an SCVD file for the native FreeRTOS implementation?</dd></dl>
<h2><a class="anchor" id="native_freertos_er"></a>
Add Event Recorder Visibility</h2>
<ul>
<li>To use the Event Recorder together with RTX5, select the software component <b>Compiler:Event Recorder</b>.</li>
<li>Select the <b>Source</b> variant of the software component <b>CMSIS:RTOS2 (API):Keil RTX5</b>.</li>
<li>Call the function <b>EventRecorderInitialize()</b> in your application code (ideally in <code>main()</code>).</li>
<li>Build the application code and download it to the debug hardware.</li>
</ul>
<p>Once the target application generates event information, it can be viewed in the ÂµVision debugger using the <b>Event</b> <b>Recorder</b>.</p>
<h1><a class="anchor" id="cmsis_freertos"></a>
Create a CMSIS-FreeRTOS project</h1>
<p>The steps to create a microcontroller application using CMSIS-FreeRTOS are:</p>
<ul>
<li>Create a new project and select a microcontroller device.</li>
<li><p class="startli">In the Manage Run-Time Environment window, select <b>::Device:Startup</b>, <b>::CMSIS::RTOS2 (API)::FreeRTOS</b>, <b>::RTOS:CORE</b> in the <b>FreeRTOS</b> variant, <b>::RTOS:Config</b> in the <b>CMSIS</b> <b>RTOS2</b> variant, <b>::RTOS:FreeRTOS:Timers</b>, <b>::RTOS:FreeRTOS:Event Groups</b>, and an applicable <b>::RTOS:Heap</b> scheme (for more information on the heap schemes, visit the FreeRTOS documentation):</p>
<div class="image">
<img src="manage_rte_freertos_rtos2.png" alt="manage_rte_freertos_rtos2.png"/>
</div>
<p class="startli"><br/>
</p>
</li>
<li>If the <b>Validation Output</b> requires other components to be present, try to use the <b>Resolve</b> button.</li>
<li><p class="startli">Click <b>OK</b>. In the <b>Project</b> window, you will see the files that have been automatically added to you project, such as <b>FreeRTOSConfig.h</b>, the source code files, as well as the system and startup files:</p>
<div class="image">
<img src="project_window_freertos_rtos2.png" alt="project_window_freertos_rtos2.png"/>
</div>
</li>
</ul>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000003">Todo:</a></b></dt><dd>Do we add user code templates for the RTOS2 FreeRTOS implementation?\</dd></dl>
<ul>
<li>You can add template files to the project by right-clicking on <b>Source Group 1</b> and selecting <b>Add New Item to 'Source Group 1'</b>. In the new window, click on <b>User Code Template</b>. On the right-hand side you will see all available template files for CMSIS-RTOS RTX:</li>
</ul>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000004">Todo:</a></b></dt><dd>Do we offer an SCVD file for the RTOS2 FreeRTOS implementation?</dd></dl>
<h2><a class="anchor" id="cmsis_freertos_er"></a>
Add Event Recorder Visibility</h2>
<ul>
<li>To use the Event Recorder together with RTX5, select the software component <b>Compiler:Event Recorder</b>.</li>
<li>Select the <b>Source</b> variant of the software component <b>CMSIS:RTOS2 (API):Keil RTX5</b>.</li>
<li>Call the function <b>EventRecorderInitialize()</b> in your application code (ideally in <code>main()</code>).</li>
<li>Build the application code and download it to the debug hardware.</li>
</ul>
<p>Once the target application generates event information, it can be viewed in the ÂµVision debugger using the <b>Event</b> <b>Recorder</b>. </p>
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